61326253100 has 72 divisors (see below), whose sum is σ = 156199690080. Its totient is φ = 20457861120.

The previous prime is 61326253091. The next prime is 61326253123. The reversal of 61326253100 is 135262316.

It is a super-2 number, since 2×61326253100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1158005 + ... + 1209804.

It is an arithmetic number, because the mean of its divisors is an integer number (2169440140).

Almost surely, 2^61326253100 is an apocalyptic number.

It is an amenable number.

61326253100 is an abundant number, since it is smaller than the sum of its proper divisors (94873436980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61326253100 is a wasteful number, since it uses less digits than its factorization.

61326253100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367867 (or 2367860 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 61326253100 in words is "sixty-one billion, three hundred twenty-six million, two hundred fifty-three thousand, one hundred".